Bump prettier from 3.7.3 to 3.7.4 in /src/Elastic.Documentation.Site (#2414)

Bumps [prettier](https://github.com/prettier/prettier) from 3.7.3 to 3.7.4.
- [Release notes](https://github.com/prettier/prettier/releases)
- [Changelog](https://github.com/prettier/prettier/blob/main/CHANGELOG.md)
- [Commits](prettier/prettier@3.7.3...3.7.4)

---
updated-dependencies:
- dependency-name: prettier
  dependency-version: 3.7.4
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

src/Elastic.Documentation.Site/package-lock.json

@@ -70,7 +70,7 @@
     "parcel": "2.16.1",
     "postcss": "8.5.6",
     "postcss-import": "16.1.1",
-    "prettier": "3.7.3",
+    "prettier": "3.7.4",
     "prettier-plugin-tailwindcss": "0.7.2",
     "react": "18.3.1",
     "react-dom": "18.3.1",